The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2024
Filed:
Nov. 21, 2019
Applicant:
Omron Corporation, Kyoto, JP;
Inventors:
Shinya Matsuo, Yamaga, JP;
Takuya Yamazaki, Kyoto, JP;
Assignee:
OMRON CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/327 (2006.01); H01H 47/00 (2006.01); H01H 71/04 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3278 (2013.01); H01H 47/002 (2013.01); H01H 71/04 (2013.01); H01H 2071/044 (2013.01);
Abstract
A relay state determination device includes a voltage value acquisition unit, a contact bounce time acquisition unit, and a state determination unit. The voltage value acquisition unit acquires a voltage value between one pair of contacts mutually opened and closed in a relay. The contact bounce time acquisition unit obtains a contact bounce time indicated by the one pair of contacts based on the temporal change in the voltage value after the ON instruction to the relay. The state determination unit compares the contact bounce time with a time threshold value to determine whether or not the relayhas deteriorated.